Image 7861548

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Background - FWHM - WCS - Filters - Zero point
Id:7861548
Filename: /mnt/data3/cta-s1/2024/20241224/darks/WF0/20241225095046-955-RA.fits
Time:2024-12-25 09:50:46 UT
Night:20241224
Site:cta-s1
CCD:WF0 / 6204
Type:dark
Image size: 4144x4127 (4096x4096 usable)
Binning: 1x1
Exposure:20.0 s
Filter:D
Target:1 / Dark frames
RA:0.0
Dec:0.0
Alt / Az:53.9128538711022 112.561321126359
BITPIX: 16 unsigned short data
NAXIS: 2 number of axes
NAXIS1: 4144 length of data axis
NAXIS2: 4127 length of data axis
CTIME: 1735120246 exposure start (seconds since 1.1.1970)
USEC: 955030 exposure start micro seconds
JD: 2460669.90985752 Modified Julian Date
DATE-OBS: '2024-12-25T09:50:46.955' start of exposure
TARGET: 1 target id
TARSEL: 1 selector target id
TARTYPE: 'd' target type
OBSID: 53917 observation id
IMGID: 17 image id
PROC: 0 image processing status
CCD_NAME: 'WF0' camera name
MOONDIST: 68.0976977594016 angular distance to between observation and the
MOONRA: 207.515596037194 lunar RA
MOONDEC: -13.9216797943337 lunar DEC
MOONPHA: 64.773445527158 moon phase
MOONALT: 54.6773959352813 lunar altitude
MOONAZ: 259.088105093926 lunar azimuth
EXPOSURE: 20.0 exposure length in seconds
EXPTIME: 20.0 exposure length in seconds
INSTRUME: 'CTA-S1 FRAM' name of the data acqusition instrument
TELESCOP: 'CTA-S1' name of the data acqusition telescope
ORIGIN: 'FZU' organisation responsible for data
FOC_NAME: 'FWF' name of focuser
SCRIPREP: 1 script loop count
SCRIPT: 'filter=D D 1 filter=D D 2 filter=D D 3 filter=D D 5 filter=D D 10 filter=D D 20 filter=D D 30 filter=D D 60 filter=D D 120 filter=D D 180' script used to take this images
SCR_COMM: '' comment recorded for this script
COMM_NUM: 0 comment order within current script
CCD_TYPE: 'G4-16000' camera type
CCD_SER: 'G4KF16000-0620' camera serial number
CCD_CHIP: 'KAF-16803' camera chip type
IMAGETYP: 'dark' IRAF based image type
SLITPOSX: -1.0 [pixels] slit position along dithering axis
SLITPOSY: -1.0 [pixels] slit position along dithering axis
BINNING: '1x1' [pixelX x pixelY] chip binning
BINX: 1 [pixels] binning along X axis
BINY: 1 [pixels] binning along X axis
SHUTTER: 1 shutter state (0 - opened, 1 - closed)
CCD_AIR: 22.14033 detector air temperature
CCD_TEMP: -20.17519 CCD temperature
COOLING: True camera cooling start/stop
CCD_SET: -20.0 CCD set temperature
TEMPPWR: 0.692 [%] utilization of cooling power
VOLTAGE: 12.63877 [V] current voltage of the camera power supply
GAIN: 1.6 [e-ADU] gain
PRODUCT_ID: 6204 camera product identification
PREFLASH: 0.0 Duration of CCD pre-exposure preflash
NCLEARS: 0 Number of CCD pre-exposure clears after preflas
RDOUTM: 'Low Noise' camera mode
OBJECT: 'Dark frames' target object name
PI: '' project investigator of the target
PROGRAM: '' target program name
WEATHER.NEXT_GOOD_WEATHER: 1733515501.0 date and time of next good we
WEATHER.UPDATE_TIME: 1735120201.0 time of last update of device statu
WEATHER.GOOD_WEATHER: True weather quality as set by external script
WEATHER.WINDSPEED: 2.3 Wind speed, m/s
WEATHER.DIRECTION: 358.7 Wind direction, degrees
PARANAL.NEXT_GOOD_WEATHER: 1732321937.0 date and time of next good we
PARANAL.UPDATE_TIME: 1735120202.0 time of last update of device statu
PARANAL.GOOD_WEATHER: True weather quality as set by external script
PARANAL.RAIN: False Rain
PARANAL.TEMPERATURE: 13.93 Temperature, degrees
PARANAL.WINDSPEED: 4.4 Wind speed, m/s
PARANAL.HUMIDITY: 10.0 Humidity
PARANAL.PRESSURE: 742.68 Pressure
FOC_TYPE: 'GCUSB-nStep' focuser type
FOC_POS: 413.0 focuser position
FOC_TAR: 412.494995117188 focuser target position
FOC_DEF: 452.49498998 default target value
FOC_FILTEROFF: -40.0 offset related to actual filter
FOC_FOFF: 0.0 offset from focusing routine
FOC_TOFF: 0.0 temporary offset for focusing
MNT_NAME: 'T0' name of mount
LATITUDE: -24.63368 observatory latitude
LONGITUD: -70.3769 observatory longitude
ALTITUDE: 2400.0 observatory altitude
AMBTEMP: 10.0 [C] observatory ambient temperature
AMBHUMIDITY: 70.0 [%] observatory relative humidity
WAVELENGTH: 500.0 [nm] incoming radiation wavelength
DUT1: 0.0 [s] UT1 - UTC
ORIRA: 137.980012 original position (epoch) RA
ORIDEC: -7.795447 original position (epoch) DEC
OEPOCH: 2000.0 epoch (2000,..)
PMRA: 0.0 proper motion/year RA
PMDEC: 0.0 proper motion/year DEC
OFFSRA: 0.0 object offset RA
OFFSDEC: 0.3500000000007 object offset DEC
DRATERA: 0.0 [deg/hour] differential tracking rate RA
DRATEDEC: 0.0 [deg/hour] differential tracking rate DEC
TRACKING: 'on' telescope tracking
SKYSPDRA: -9.1191291391491e-36 [deg/hour] tracking speeds vector (in RA/DEC) R
SKYSPDDEC: -9.1191291391491e-36 [deg/hour] tracking speeds vector (i
OBJRA: 137.980012 telescope FOV center position (J2000) - with of
OBJDEC: -7.4454469999993 telescope FOV center position (J2000) - with of
TAR_TELRA: 317.980012 target position (OBJ) in telescope coordinates
TAR_TELDEC: -172.554553000001 target position (OBJ) in telescope coo
TARRA: 138.29779701557 target position with computed corrections (prec
TARDEC: -7.55137311414807 target position with computed corrections (prec
CORR_RA: 0.0 correction from closed loop RA
CORR_DEC: 0.0 correction from closed loop DEC
MO_RTS2RA: 0.0 [deg] RTS2 model offsets RA
MO_RTS2DEC: 0.0 [deg] RTS2 model offsets DEC
TELRA: 138.298050045526 mount position (from sensors, sky coordinates)
TELDEC: -7.55141904660422 mount position (from sensors, sky coordinates)
JD_HELIO: 2460669.91377896 heliocentric JD
U_TELRA: 318.298050045526 mount position (from sensors, raw coordinates,
U_TELDEC: -172.448580953396 mount position (from sensors, raw coordinates,
TEL_ALT: 53.9128538711022 horizontal telescope coordinates altitude
TEL_AZ: 112.561321126359 horizontal telescope coordinates azimuth
MPEC_DIFRA: 0.0 [degrees/hour] calculated MPEC differential tra
MPEC_DIFDEC: 0.0 [degrees/hour] calculated MPEC differential tra
PARKTIME: 1735034038.77295 Time of last mount park
AIRMASS: 1.23699948627188 Airmass of target location
HA: 33.2776029489662 Location hour angle
LST: 171.575652994492 Local Sidereal Time
MOVE_NUM: 9165 number of movements performed by the driver; us
CORR_IMG: 0 ID of last image used for correction
CORR_OBS: 0 ID of last observation used for correction
MNT_ROTA: 180.0 mount rotang
MNT_FLIP: 1 telescope flip
AXRA: -1660053 RA axis count
AXRARAW: -3832838 raw RA axis count
AXDEC: -2447551 DEC axis count
HR_RA: 19141006 [???] RA axis tracking rate
BR_RA: 19141006 [???] RA axis base rate
BR_DEC: 0 [???] DEC axis base rate
MNT_INFO: 1735120211.68975 time when mount informations were collected
SUN_ALT: -0.763245873319656 solar altitude
SUN_AZ: 296.276297310279 solar azimuth
CAM_FILT: 3 filter used for image
AVERAGE: 542.498664330761 average value of image
STDEV: 29.2004995397794 standard deviation value of image
CTYPE1T: 'RA---TAN' WCS transformation type
CTYPE2T: 'DEC--TAN' WCS transformation type
CRVAL1T: 137.980012 reference value on 1st axis
CRVAL2T: -7.4454469999993 reference value on 2nd axis
CRPIX1T: 2074.0 reference pixel of the 1st axis
CRPIX2T: 2062.0 reference pixel of the 2nd axis
CDELT1T: 0.0039 delta along 1st axis
CDELT2T: -0.0039 delta along 2nd axis
CROTA2T: 180.0 rotational angle
DATASEC: '[31:4126,12:4107]' good data section
FILTER: 'D' camera filter as string
DATE: '2024-12-25T09:51:16.891' creation date